Struct PrivacyMechanism 

pub struct PrivacyMechanism { /* private fields */ }

Privacy mechanism for adding noise to embeddings

Implementations

impl PrivacyMechanism

pub fn laplacian(epsilon: f32, sensitivity: f32) -> Result<Self>

Create a new Laplacian mechanism (epsilon-DP)

pub fn gaussian(epsilon: f32, delta: f32, sensitivity: f32) -> Result<Self>

Create a new Gaussian mechanism ((epsilon, delta)-DP)

pub fn add_noise(&self, embedding: &[f32]) -> Vec<f32>

Add noise to an embedding

pub fn epsilon(&self) -> f32

Get the privacy budget (epsilon)

pub fn delta(&self) -> f32

Get the delta parameter

pub fn expected_utility_loss(&self, dimension: usize) -> f32

Calculate expected utility loss (L2 distance to original)

Trait Implementations

impl Clone for PrivacyMechanism

fn clone(&self) -> PrivacyMechanism

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PrivacyMechanism

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PrivacyMechanism

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PrivacyMechanism

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.